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Accepting her nomination for president on Thursday, Hillary Clinton said she is "proud" of the Paris agreement and promised to hold every country accountable to their commitments to climate action, including the U.S.

@HillaryClinton

She also hit at Donald Trump for his climate denial. "I believe in science," she said with a laugh to thunderous applause from the audience. "I believe that climate change is real and that we can save our planet while creating millions of good-paying clean energy jobs."

Clinton promised the biggest investment in "new, good paying jobs" since World War II, including jobs in clean energy and other sectors such as manufacturing and infrastructure.

"Clinton has proposed in-depth and thought-out plans to combat the climate crisis, protect our public lands and put an end to racial injustice," Michael Brune, executive director of the Sierra Club, said.

"She not only wants to complete America's transition to 100 percent clean energy, she recognizes the massive job growth opportunity it presents and wants to make America the global leader in the clean energy market. And Clinton opposes unfair trade deals and wants to overturn Citizens United, putting democracy back in the hands of the voters.

"Demagogue Donald Trump has sought to divide America in every possible way—including climate change. He has called it a hoax, a concept created by the Chinese, and wants to tear up the Paris Climate Agreement, among other outrageous and dangerous claims. In fact, if elected, Trump will be the only world leader who refutes the existence of climate change."

"As Americans, we face challenges head-on," presidential nominee Hillary Clinton says in a voiceover in the film that also features Republican former California Gov. Arnold Schwarzenegger and a string of other celebrities and politicians.

President Obama also touched on the issue multiple times in his speech while California Gov. Jerry Brown and former Maryland Gov. Martin O'Malley praised Clinton for her leadership on climate action and denounced Donald Trump for his climate denial.

Hillary Clinton poses with a supporter at a campaign rally in Manchester, New Hampshire earlier this year.Andrew Lichtenstein / Greenpeace

The Dems have come a long way since embracing a deeply flawed "all of the above" energy strategy in 2012.

Their new platform places renewable energy at the center of economic growth and job creation. It recognizes the intersections of social and environmental justice, with specific references to the Flint water crisis and the impacts of climate change on communities of color and indigenous populations. And it empowers the Department of Justice to investigate fossil fuel companies for their role in spreading climate denial.

This week should tell us even more about the direction the Dems are heading on climate change, including how they'll address some of the platform's shortcomings. Here's what to watch for:

1. Where Does the Party Stand on Fracking and Natural Gas?

Well, it's complicated.

Fracking has no place in the platform of a party that wants to "lead the fight against climate change around the world." By not advocating a national ban on fracking, the Dems are falling short of the action we need to avoid its catastrophic health, climate and public safety impacts.

Instead, they're shirking responsibility by stating that fracking "should not take place where states and local communities oppose it." Translation: everyday people will have to go head to head with the fossil fuel industry to keep their communities frack-free. For an indication of just how difficult that is, look at Colorado right now.

As the Democrats try to position themselves as climate leaders, pay particular attention to how how this presumptive Democratic ticket talks about fracking or if they choose to skirt the issue.

2. Will Support for the Trans-Pacific Partnership (TPP) Erode?

The Dems have chosen not to oppose the TPP, the secretly negotiated trade deal that would open the door to increased corporate influence over environmental decision-making.

It's a curious decision, as President Obama is the only high profile Democrat left in favor of the deal. Both Clinton and Bernie Sanders have opposed it since last year, citing concerns over how it would outsource jobs overseas.

But that's not all that the TPP would do. It also makes it easier for fossil fuel companies to export natural gas with little to no environmental review, creating economic incentive for even more fracking (see above for why that's a terrible idea).

3. When Can We Expect Some Actual Commitments to Keep Fossil Fuels in the Ground?

Unlike people across the country, the Democrats have yet to fully embrace the keep it in the ground movement, but they seem to be inching closer.

Their platform would protect the Arctic and Atlantic Oceans from offshore drilling, but not the Gulf of Mexico. It calls for "reform[ing] fossil fuel leasing on public lands" and "phas[ing] down extraction," but gives little detail as to what that actually means. And of course, fracking.

This week, keep an eye on how far progressive members of the party—like Keep It in the Ground Act authors Jeff Merkley (Senate) and Jared Huffman (House)—are able to push their more moderate colleagues on fossil fuel extraction.

The issue of climate change received a fair amount of attention on the first day of the Democratic National Convention (DNC).

Bernie Sandersreaffirmed his endorsement of Hillary Clinton, saying, "This election is about climate change, the greatest environmental crisis facing our planet, and the need to leave this world in a way that is healthy and habitable for our kids and future generations. Hillary Clinton is listening to the scientists who tell us that—unless we act boldly and transform our energy system in the very near future—there will be more drought, more floods, more acidification of the oceans, more rising sea levels."

Sen. Elizabeth Warren mentioned how huge energy companies have been allowed to destroy the environment due to governmental dysfunction and how a lack of unity among citizens allows oil companies to "fight off clean energy."

At high Noon Sunday, with temperatures heading toward 95 degrees, I'm confident I was not the only one preparing to march through the streets of downtown Philadelphia who recalled that old elementary-school story about the wig-wearing drafters of the Declaration of Independence huddled inside of Independence Hall on a sweltering July day.

Though the news was not a surprise, as Kaine has long been known as a likely choice, Clinton's pick stirred immediate reaction among the environmental movement. The Virginia senator supports fracking and offshore oil drilling, but was an early opponent of the Keystone XL pipeline.

"Tim Kaine won't energize the climate base, so it's up to Hillary to start staking out some clearer positions," Boeve said. "Kaine was with us on Keystone XL, but against us on offshore drilling and fracking. This November, climate activists, young people, and progressives will turn up at the polls for candidates who say the magic words, 'keep it in the ground.' If Democrats want to drive turnout, it's time to come out more clearly against drilling, fracking and new fossil fuel infrastructure."

On Sunday at 1 p.m., one day before the Democratic National Convention begins in Philadelphia, thousands of people will take part in the March for a Clean Energy Revolution calling for a ban on fracking. The march is organized by Americans Against Fracking and Pennsylvanians Against Fracking and backed by more than 900 organizations across all 50 states.

"It's clear from the polling that Secretary Clinton needs the progressive wing to vote in force if she's going to win in November, so Tim Kaine must show himself from the start that he'll use his office to be a climate champion," Leonard continued.

"He showed he could do this when he became an early opponent of the Keystone Pipeline, but Kaine's opposition to regulating fracking under the Safe Drinking Water Act, and his support for natural gas exports and pipelines, prove he still has a long way to go. Clinton's positions on fracking may have progressed during her candidacy, but the climate movement will continue to push her and her running mate until they pledge to keep all fossil fuels in the ground."

Sierra Club's Executive Director Michael Brune feels "Secretary Clinton's selection of Senator Tim Kaine as her running mate completes the strongest environmental ticket we've ever seen." When comparing Clinton's campaign to Donald Trumps, Brune said, "The Democratic ticket is in sharp contrast to the Republican's, which features not one but two climate deniers, a first in American history. The Trump-Pence regime would be the only world leaders to hold that position. Simply put, a Trump-Pence Presidency wouldn't be the only 'TPP' that would destroy our climate."